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4. Press the 1 or 2 key to adjust/select the setting. Then press the 3 key to confirm.
5. Press the 4 key to return to the previous menu.
OSD Tree
Input Select
https://manuals.viewsonic.com/VP3256-4K_Full_Guide
NOTE: Certain menu option adjustments do not require the user to press the 3 key to confirm the
selection. Follow the key guide that appears on the bottom of the screen to select the option or make
adjustments.
VP3256-4K - ViewSonic Monitor
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